How do I revert the un-qualified candidates to candidate pool?

Reverting an un-qualified profile helps you to associate the specific candidate with other job openings.

To revert the un-qualified candidates:

Go to Candidates tab

Click on the Recent Status filter present in the horizontal menu.

Choose the Un-Qualified link from the drop-down list. You can view the list of unqualified candidates.

Select a candidate to qualify and click on Qualify button. (or)

Enable required check-boxes to select multiple candidates and click on Qualify link from Select options menu. All selected candidates will be qualified and you can use their profiles for further actions.